source: node_modules/prismjs/components/prism-cpp.js@ e48199a

(function (Prism) {

        var keyword = /\b(?:alignas|alignof|asm|auto|bool|break|case|catch|char|char16_t|char32_t|char8_t|class|co_await|co_return|co_yield|compl|concept|const|const_cast|consteval|constexpr|constinit|continue|decltype|default|delete|do|double|dynamic_cast|else|enum|explicit|export|extern|final|float|for|friend|goto|if|import|inline|int|int16_t|int32_t|int64_t|int8_t|long|module|mutable|namespace|new|noexcept|nullptr|operator|override|private|protected|public|register|reinterpret_cast|requires|return|short|signed|sizeof|static|static_assert|static_cast|struct|switch|template|this|thread_local|throw|try|typedef|typeid|typename|uint16_t|uint32_t|uint64_t|uint8_t|union|unsigned|using|virtual|void|volatile|wchar_t|while)\b/;
        var modName = /\b(?!<keyword>)\w+(?:\s*\.\s*\w+)*\b/.source.replace(/<keyword>/g, function () { return keyword.source; });

        Prism.languages.cpp = Prism.languages.extend('c', {
                'class-name': [
                        {
                                pattern: RegExp(/(\b(?:class|concept|enum|struct|typename)\s+)(?!<keyword>)\w+/.source
                                        .replace(/<keyword>/g, function () { return keyword.source; })),
                                lookbehind: true
                        },
                        // This is intended to capture the class name of method implementations like:
                        //   void foo::bar() const {}
                        // However! The `foo` in the above example could also be a namespace, so we only capture the class name if
                        // it starts with an uppercase letter. This approximation should give decent results.
                        /\b[A-Z]\w*(?=\s*::\s*\w+\s*\()/,
                        // This will capture the class name before destructors like:
                        //   Foo::~Foo() {}
                        /\b[A-Z_]\w*(?=\s*::\s*~\w+\s*\()/i,
                        // This also intends to capture the class name of method implementations but here the class has template
                        // parameters, so it can't be a namespace (until C++ adds generic namespaces).
                        /\b\w+(?=\s*<(?:[^<>]|<(?:[^<>]|<[^<>]*>)*>)*>\s*::\s*\w+\s*\()/
                ],
                'keyword': keyword,
                'number': {
                        pattern: /(?:\b0b[01']+|\b0x(?:[\da-f']+(?:\.[\da-f']*)?|\.[\da-f']+)(?:p[+-]?[\d']+)?|(?:\b[\d']+(?:\.[\d']*)?|\B\.[\d']+)(?:e[+-]?[\d']+)?)[ful]{0,4}/i,
                        greedy: true
                },
                'operator': />>=?|<<=?|->|--|\+\+|&&|\|\||[?:~]|<=>|[-+*/%&|^!=<>]=?|\b(?:and|and_eq|bitand|bitor|not|not_eq|or|or_eq|xor|xor_eq)\b/,
                'boolean': /\b(?:false|true)\b/
        });

        Prism.languages.insertBefore('cpp', 'string', {
                'module': {
                        // https://en.cppreference.com/w/cpp/language/modules
                        pattern: RegExp(
                                /(\b(?:import|module)\s+)/.source +
                                '(?:' +
                                // header-name
                                /"(?:\\(?:\r\n|[\s\S])|[^"\\\r\n])*"|<[^<>\r\n]*>/.source +
                                '|' +
                                // module name or partition or both
                                /<mod-name>(?:\s*:\s*<mod-name>)?|:\s*<mod-name>/.source.replace(/<mod-name>/g, function () { return modName; }) +
                                ')'
                        ),
                        lookbehind: true,
                        greedy: true,
                        inside: {
                                'string': /^[<"][\s\S]+/,
                                'operator': /:/,
                                'punctuation': /\./
                        }
                },
                'raw-string': {
                        pattern: /R"([^()\\ ]{0,16})\([\s\S]*?\)\1"/,
                        alias: 'string',
                        greedy: true
                }
        });

        Prism.languages.insertBefore('cpp', 'keyword', {
                'generic-function': {
                        pattern: /\b(?!operator\b)[a-z_]\w*\s*<(?:[^<>]|<[^<>]*>)*>(?=\s*\()/i,
                        inside: {
                                'function': /^\w+/,
                                'generic': {
                                        pattern: /<[\s\S]+/,
                                        alias: 'class-name',
                                        inside: Prism.languages.cpp
                                }
                        }
                }
        });

        Prism.languages.insertBefore('cpp', 'operator', {
                'double-colon': {
                        pattern: /::/,
                        alias: 'punctuation'
                }
        });

        Prism.languages.insertBefore('cpp', 'class-name', {
                // the base clause is an optional list of parent classes
                // https://en.cppreference.com/w/cpp/language/class
                'base-clause': {
                        pattern: /(\b(?:class|struct)\s+\w+\s*:\s*)[^;{}"'\s]+(?:\s+[^;{}"'\s]+)*(?=\s*[;{])/,
                        lookbehind: true,
                        greedy: true,
                        inside: Prism.languages.extend('cpp', {})
                }
        });

        Prism.languages.insertBefore('inside', 'double-colon', {
                // All untokenized words that are not namespaces should be class names
                'class-name': /\b[a-z_]\w*\b(?!\s*::)/i
        }, Prism.languages.cpp['base-clause']);

}(Prism));